Matches in DBpedia 2014 for { ?s ?p <http://dbpedia.org/resource/Category:American_polo_players> . }
- W._Ray_Harrington,_Jr. subject Category:American_polo_players.
- William_A._Mayer subject Category:American_polo_players.
- William_Knapp_Thorn subject Category:American_polo_players.
- William_R._Linfoot subject Category:American_polo_players.
- William_Sinclaire subject Category:American_polo_players.
- William_T._Ylvisaker subject Category:American_polo_players.
- Willis_L._Hartman subject Category:American_polo_players.
- Windsor_Holden_White subject Category:American_polo_players.
- Category:Olympic_polo_players_of_the_United_States broader Category:American_polo_players.